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+1 vote
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in Three Dimensional Geometry by (28.9k points)
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Consider the linear \(\bar r\) = (\(\hat i +2 \hat j+3 \hat k\)) + \(λ(2\hat i - 3\hat j - 4\hat k); \bar r\) = \((\hat i + \hat j + \hat k) + μ(\hat i + 3\hat j + 2\hat k)\)

  1. Write the Cartesian equation.
  2. Find the angle between the line.

1 Answer

+1 vote
by (28.2k points)
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Best answer

1. \(\frac{x-1}{2} = \frac{y-2}{-3} = \frac{x-3}{1}\)\(\frac{x-1}{1} = \frac{y-1}{3} = \frac {x-1}{2}\)

2. cosθ

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